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Al + HCl--> AlCl3 +H2In the following reaction, how many moles of the non-limiting reactant are in excess if 4.4 mol Al are combined with 2.7 mol HCl
The product formed is 2-hexanol, is this an example of 1,4 addition, or proceeds via a carbanion, or is an example of electrophillic addition, or results in sp2 hybridized carbon being transformed into a sp hybridized carbon?
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
Major Organic Product Formed of Acetyl Chloride Reacting with Reagents, What major organic product would you expect to be formed when acetyl chloride reacts with each of the following reagents?
At a certain temperature the rate of effusion of helium is twice the rate of effusion of a gaseous X.X is a binary combination of carbon and hydrgen.
Calculate the energy per photon of electromagnetic radiation, for a photon having a frequency of 5.16 X 10^19 Hz (h = 6.626x10^-34 J s):
Calculate the mass percent of a NaCl solution in which 110 g of NaCl is dissolved in 2.41 L of water at 25 0C (density = 0.997 rm g/mL).
The Ksp for Al(OH)3 is 2 x 10-32. At what pH will a 0.2 M Al3+ solution begin to show precipitation of Al(OH)3.
CO (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. Calculate the total pressure in the container.
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
Calculate the density of a block.
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
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